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To Tool Station

Closed Loop Pipe System

(Sloped in the direction of air flow)

Ball

Valve

Ball

Valve

Filter

Regulator

Lubricator

Air Flow

Drain
Valve

Drain
Valve

Air Tool

Air Compressor

and Receiver

Drain Valve

Air Hose

Air Flow

Refrigerated

Air Dryer

2

Filter

Regulator

Lubricator

90 PSIG

(6.2 Bar)

OPERATING INSTRUCTIONS

Warning: 

Always wear eye protection. Operator of tool is responsible for following: accepted eye, face, respiratory, hearing and body protection.

Caution: 

Hand, wrist and arm injury may result from repetitive work, motion and overexposure to vibration. Operate tool ONLY under load.

• Keep hand and clothing away from working end of the air tool.
• Working end of the air tool has potential hazard of cutting.

Operation:

Be sure that any loose clothing, hair and all jewelry is properly restrained.

• Secure inlet bushing on air tool with a wrench before attempting to install the air fitting to avoid damaging housing assembly.
• BEFORE MOUNTING AN ACCESSORY, after all tool repairs and whenever a 3" Dynabuffer is issued for use, check tool RPM 

(speed) with tachometer, see Routine Preventative Maintenance for procedure (pg. 3).

Caution:

This tool is not to be run at free speed. The tool is specifically designed to be low in vibration under load. Running the tool at free speed may 

cause the buffing pad to become dislodged from the back-up pad.

Caution: 

Tool RPM must never exceed accessory RPM rating. Check accessory manufacturer for details on maximum operating speed or special

mounting instructions.

• With power source connected at the air tool relieve hose of air pressure and disconnect tool from air supply when changing recommended accessories.
• Connect air tool to power source. Be careful NOT to depress throttle lever in the process.
• Do not expose air tool to inlet pressure above 90 PSIG or (6.2 Bars).

Caution:

After installing the accessory, before testing or use and/or after assembling tool, the 3" Dynabuffer must be started at a 

reduced speed to check for good balance. Gradually increase tool speed. DO NOT USE if tool vibration is excessive. Correct cause, and retest to
insure safe operation.

• It is imperative that the correct weight mated back-up pad be used with the tool to avoid excessive vibration. The tool is designed to use a Dynabrade P/N 

56142

Pad; this pad has a mass of 30 grams.

• Ensure that self-fixing foam buffing pads are mounted concentrically to back-up pad.
• Precondition new foam buffing pads with buffing compound before use.
• Apply dab of buffing compound to sand scratch on work surface.
• Apply approximately a 6 pound load on the pad before throttling the tool on. Adjust the force on the pad as required to feel the “sweet spot” (low

vibration). Buffing for approximately 5 seconds with the pad flat on the work surface should remove the sand scratches of the initial process. Release the 
throttle lever and then remove the tool from the work piece.

• Release the throttle lever in case of an interruption of the energy supply.
• Make sure that work area is uncluttered, and visitors are at a safe range from the tools and debris.
• Potentially explosive atmospheres can be caused by dust and fumes resulting from buffing. Always use dust extraction or suppression systems which are 

suitable for the material being processed.

• Proceed with caution in unfamiliar surroundings. Hidden hazards may exist, such as electricity or other utility lines.
• Air tools are not intended for use in explosive atmospheres and are not insulated for contact with electric power sources. 
• Work may generate hazardous dust.
• Do not apply excessive force on tool or apply “rough” treatment to it.
• Always work with a firm footing, posture and proper lighting.
• This tool is front exhaust. Exhaust may contain lubricants, vane material, bearing grease, and other materials flushed thru the tool.

Report to your supervisor any condition of the tool, accessories, or operation you consider unsafe.

Air System

1

DROP/MIN.

20

SCFM

LUBRICATOR SETTING

Dynabrade Air Power Tools are designed to
operate at 90 PSIG (6.2 Bar/620 kPa) maximum
air pressure at the tool inlet, when the tool is
running. Use recommended regulator to control
air pressure.

Ideally the air supply should be free from moisture.
To facilitate removing moisture from the air supply,
the installation of a refrigerated air dryer after the
compressor and the use of drain valves at each
station is recommended.

90 PSIG MAX

(6.2 Bar)

Summary of Contents for 55126

Page 1: ...n must be worn at all times eye protection to conform to ANSI Z87 1 WARNING Respiratory protection to be used when exposed to contaminants that exceed the applicable threshold limit values required by...

Page 2: ...re safe operation It is imperative that the correct weight mated back up pad be used with the tool to avoid excessive vibration The tool is designed to use a Dynabrade P N 56142 Pad this pad has a mas...

Page 3: ...4 mm hex wrench is inserted through the hole in the cap and into the hex in the flow control rotating the wrench either clockwise or counterclockwise will adjust the speed The full speed range is acco...

Page 4: ...ng 34 45206 Housing Sleeve 35 45263 Throttle Lever Assembly 36 97060 Pin 37 97045 Plunger 38 45257 Throttle Bushing 39 01464 Seal 2 40 58365 Tip Valve 41 01468 Spring 42 95438 O Ring 43 55166 Muffler...

Page 5: ...shroud assembly can be removed 1 Install the 95492 Screws into the two handle bosses in the 55160 Housing 2 With the shroud facing up position 95492 Screws between the vise jaws and secure the 55160...

Page 6: ...e the counterbalance in a vise Use a small thin screw driver to install the snap ring Install the 95630 Snap Ring between the hex end of the balancer shaft and the flat side of the 59084 V Seal The sn...

Page 7: ...6 Retaining Ring 1 T R 19 97101 Screw 4 1 D 20 55157 Inner Shroud 1 X 21 55161 O Ring 2 1 T 22 55158 Muffler Insert 1 T R 23 55156 Outer Shroud 1 X 24 97166 Hangplate 1 X 25 55160 Housing 1 X 26 55159...

Page 8: ...e customer Normally wearable parts and products are NOT covered under this warranty Uncovered items include bearings contact wheels rotor blades regulators valve stems levers shrouds guards O rings se...

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